Disintegrate asm/system.h for CRIS. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> --- arch/cris/arch-v10/kernel/dma.c | 1 arch/cris/arch-v10/kernel/io_interface_mux.c | 1 arch/cris/arch-v10/kernel/process.c | 1 arch/cris/arch-v10/kernel/setup.c | 1 arch/cris/arch-v10/kernel/signal.c | 1 arch/cris/arch-v10/kernel/traps.c | 1 arch/cris/include/arch-v10/arch/elf.h | 2 + arch/cris/include/arch-v32/arch/elf.h | 2 + arch/cris/include/asm/atomic.h | 46 +++++++++++++ arch/cris/include/asm/barrier.h | 23 +++++++ arch/cris/include/asm/exec.h | 6 ++ arch/cris/include/asm/processor.h | 10 +++ arch/cris/include/asm/switch_to.h | 12 ++++ arch/cris/include/asm/system.h | 89 -------------------------- arch/cris/kernel/irq.c | 1 arch/cris/kernel/setup.c | 1 arch/cris/kernel/traps.c | 1 arch/cris/mm/fault.c | 1 drivers/tty/serial/crisv10.c | 1 19 files changed, 112 insertions(+), 89 deletions(-) create mode 100644 arch/cris/include/asm/barrier.h create mode 100644 arch/cris/include/asm/exec.h create mode 100644 arch/cris/include/asm/switch_to.h delete mode 100644 arch/cris/include/asm/system.h diff --git a/arch/cris/arch-v10/kernel/dma.c b/arch/cris/arch-v10/kernel/dma.c index d31504b..5795047 100644 --- a/arch/cris/arch-v10/kernel/dma.c +++ b/arch/cris/arch-v10/kernel/dma.c @@ -8,6 +8,7 @@ #include <asm/dma.h> #include <arch/svinto.h> +#include <arch/system.h> /* Macro to access ETRAX 100 registers */ #define SETS(var, reg, field, val) var = (var & ~IO_MASK_(reg##_, field##_)) | \ diff --git a/arch/cris/arch-v10/kernel/io_interface_mux.c b/arch/cris/arch-v10/kernel/io_interface_mux.c index 29f97e9..ad64cd1 100644 --- a/arch/cris/arch-v10/kernel/io_interface_mux.c +++ b/arch/cris/arch-v10/kernel/io_interface_mux.c @@ -14,6 +14,7 @@ #include <arch/svinto.h> #include <asm/io.h> #include <arch/io_interface_mux.h> +#include <arch/system.h> #define DBG(s) diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index 9a57db6..bee8df4 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -16,6 +16,7 @@ #include <linux/fs.h> #include <arch/svinto.h> #include <linux/init.h> +#include <arch/system.h> #ifdef CONFIG_ETRAX_GPIO void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ diff --git a/arch/cris/arch-v10/kernel/setup.c b/arch/cris/arch-v10/kernel/setup.c index de27b50..4f96d71 100644 --- a/arch/cris/arch-v10/kernel/setup.c +++ b/arch/cris/arch-v10/kernel/setup.c @@ -14,6 +14,7 @@ #include <linux/proc_fs.h> #include <linux/delay.h> #include <linux/param.h> +#include <arch/system.h> #ifdef CONFIG_PROC_FS #define HAS_FPU 0x0001 diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index e78fe49..289c584 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -27,6 +27,7 @@ #include <asm/processor.h> #include <asm/ucontext.h> #include <asm/uaccess.h> +#include <arch/system.h> #define DEBUG_SIG 0 diff --git a/arch/cris/arch-v10/kernel/traps.c b/arch/cris/arch-v10/kernel/traps.c index 8bebb96..7001bed 100644 --- a/arch/cris/arch-v10/kernel/traps.c +++ b/arch/cris/arch-v10/kernel/traps.c @@ -11,6 +11,7 @@ #include <linux/ptrace.h> #include <asm/uaccess.h> #include <arch/sv_addr_ag.h> +#include <arch/system.h> void show_registers(struct pt_regs *regs) diff --git a/arch/cris/include/arch-v10/arch/elf.h b/arch/cris/include/arch-v10/arch/elf.h index 1c38ee7..1eb638a 100644 --- a/arch/cris/include/arch-v10/arch/elf.h +++ b/arch/cris/include/arch-v10/arch/elf.h @@ -1,6 +1,8 @@ #ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H +#include <arch/system.h> + #define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 /* diff --git a/arch/cris/include/arch-v32/arch/elf.h b/arch/cris/include/arch-v32/arch/elf.h index 1324e50..c46d582 100644 --- a/arch/cris/include/arch-v32/arch/elf.h +++ b/arch/cris/include/arch-v32/arch/elf.h @@ -1,6 +1,8 @@ #ifndef _ASM_CRIS_ELF_H #define _ASM_CRIS_ELF_H +#include <arch/system.h> + #define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32 /* diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h index 62760f8..44e1571 100644 --- a/arch/cris/include/asm/atomic.h +++ b/arch/cris/include/asm/atomic.h @@ -5,8 +5,54 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/irqflags.h> #include <arch/atomic.h> +static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) +{ + /* since Etrax doesn't have any atomic xchg instructions, we need to disable + irq's (if enabled) and do it with move.d's */ + unsigned long flags,temp; + local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */ + switch (size) { + case 1: + *((unsigned char *)&temp) = x; + x = *(unsigned char *)ptr; + *(unsigned char *)ptr = *((unsigned char *)&temp); + break; + case 2: + *((unsigned short *)&temp) = x; + x = *(unsigned short *)ptr; + *(unsigned short *)ptr = *((unsigned short *)&temp); + break; + case 4: + temp = x; + x = *(unsigned long *)ptr; + *(unsigned long *)ptr = temp; + break; + } + local_irq_restore(flags); /* restore irq enable bit */ + return x; +} + +#define xchg(ptr,x) \ + ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +#include <asm-generic/cmpxchg-local.h> + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#ifndef CONFIG_SMP +#include <asm-generic/cmpxchg.h> +#endif + /* * Atomic operations that C can't guarantee us. Useful for * resource counting etc.. diff --git a/arch/cris/include/asm/barrier.h b/arch/cris/include/asm/barrier.h new file mode 100644 index 0000000..ce0f293 --- /dev/null +++ b/arch/cris/include/asm/barrier.h @@ -0,0 +1,23 @@ +#ifndef __ASM_CRIS_BARRIER_H +#define __ASM_CRIS_BARRIER_H + +#define barrier() __asm__ __volatile__("": : :"memory") +#define mb() barrier() +#define rmb() mb() +#define wmb() mb() +#define read_barrier_depends() do { } while(0) +#define set_mb(var, value) do { var = value; mb(); } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#endif + +#endif /* __ASM_CRIS_BARRIER_H */ diff --git a/arch/cris/include/asm/exec.h b/arch/cris/include/asm/exec.h new file mode 100644 index 0000000..9665dab --- /dev/null +++ b/arch/cris/include/asm/exec.h @@ -0,0 +1,6 @@ +#ifndef __ASM_CRIS_EXEC_H +#define __ASM_CRIS_EXEC_H + +#define arch_align_stack(x) (x) + +#endif /* __ASM_CRIS_EXEC_H */ diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index b43c9bb..4210d72 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -13,6 +13,7 @@ #include <asm/page.h> #include <asm/ptrace.h> #include <arch/processor.h> +#include <arch/system.h> struct task_struct; @@ -71,4 +72,13 @@ static inline void release_thread(struct task_struct *dead_task) #define cpu_relax() barrier() +/* + * disable hlt during certain critical i/o operations + */ +#define HAVE_DISABLE_HLT +void disable_hlt(void); +void enable_hlt(void); + +void default_idle(void); + #endif /* __ASM_CRIS_PROCESSOR_H */ diff --git a/arch/cris/include/asm/switch_to.h b/arch/cris/include/asm/switch_to.h new file mode 100644 index 0000000..d842e11 --- /dev/null +++ b/arch/cris/include/asm/switch_to.h @@ -0,0 +1,12 @@ +#ifndef __ASM_CRIS_SWITCH_TO_H +#define __ASM_CRIS_SWITCH_TO_H + +/* the switch_to macro calls resume, an asm function in entry.S which does the actual + * task switching. + */ + +extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); +#define switch_to(prev,next,last) last = resume(prev,next, \ + (int)&((struct task_struct *)0)->thread) + +#endif /* __ASM_CRIS_SWITCH_TO_H */ diff --git a/arch/cris/include/asm/system.h b/arch/cris/include/asm/system.h deleted file mode 100644 index ea10592..0000000 --- a/arch/cris/include/asm/system.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef __ASM_CRIS_SYSTEM_H -#define __ASM_CRIS_SYSTEM_H - -#include <linux/irqflags.h> -#include <arch/system.h> - -/* the switch_to macro calls resume, an asm function in entry.S which does the actual - * task switching. - */ - -extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); -#define switch_to(prev,next,last) last = resume(prev,next, \ - (int)&((struct task_struct *)0)->thread) - -#define barrier() __asm__ __volatile__("": : :"memory") -#define mb() barrier() -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) -#endif - -#define iret() - -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); - -static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) -{ - /* since Etrax doesn't have any atomic xchg instructions, we need to disable - irq's (if enabled) and do it with move.d's */ - unsigned long flags,temp; - local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */ - switch (size) { - case 1: - *((unsigned char *)&temp) = x; - x = *(unsigned char *)ptr; - *(unsigned char *)ptr = *((unsigned char *)&temp); - break; - case 2: - *((unsigned short *)&temp) = x; - x = *(unsigned short *)ptr; - *(unsigned short *)ptr = *((unsigned short *)&temp); - break; - case 4: - temp = x; - x = *(unsigned long *)ptr; - *(unsigned long *)ptr = temp; - break; - } - local_irq_restore(flags); /* restore irq enable bit */ - return x; -} - -#include <asm-generic/cmpxchg-local.h> - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ - (unsigned long)(n), sizeof(*(ptr)))) -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) - -#ifndef CONFIG_SMP -#include <asm-generic/cmpxchg.h> -#endif - -#define arch_align_stack(x) (x) - -void default_idle(void); - -#endif diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c index 788eb22..d36836d 100644 --- a/arch/cris/kernel/irq.c +++ b/arch/cris/kernel/irq.c @@ -36,6 +36,7 @@ #include <linux/spinlock.h> #include <asm/io.h> +#include <arch/system.h> /* called by the assembler IRQ entry functions defined in irq.h * to dispatch the interrupts to registered handlers diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c index b712f49..32c3d24 100644 --- a/arch/cris/kernel/setup.c +++ b/arch/cris/kernel/setup.c @@ -20,6 +20,7 @@ #include <linux/pfn.h> #include <linux/cpu.h> #include <asm/setup.h> +#include <arch/system.h> /* * Setup options diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c index 8da53f3..a11ad32 100644 --- a/arch/cris/kernel/traps.c +++ b/arch/cris/kernel/traps.c @@ -17,6 +17,7 @@ #include <asm/pgtable.h> #include <asm/uaccess.h> +#include <arch/system.h> extern void arch_enable_nmi(void); extern void stop_watchdog(void); diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c index 9dcac8e..b4760d8 100644 --- a/arch/cris/mm/fault.c +++ b/arch/cris/mm/fault.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/wait.h> #include <asm/uaccess.h> +#include <arch/system.h> extern int find_fixup_code(struct pt_regs *); extern void die_if_kernel(const char *, struct pt_regs *, long); diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index d52cb25..a900954 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -36,6 +36,7 @@ static char *serial_version = "$Revision: 1.25 $"; #include <asm/dma.h> #include <arch/svinto.h> +#include <arch/system.h> /* non-arch dependent serial structures are in linux/serial.h */ #include <linux/serial.h> -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html